An anonymous reader writes: After the first AA battery powered airplane, Panasonic Japan has developed a car which is powered by 168 AA batteries or normal pencil cells. In test runs the car touched speeds upto 122 km/hr (76 miles) thus entering into Guniness book of records. The car is shaped like an aircraft but has no wings, it is 3.3 meters long and has a F1 car styled cabin. The body is made from aramide honeycomb which is also used in bulletproof vests.